package com.example.demo.controller;

import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/api")
@CrossOrigin(origins = "*") // 允许所有域
public class MyController {

    @GetMapping("/data")
    public String getData() {
        return "Hello, CORS!";
    }
}
